The early species of whale Georgiacetus used legs to swim.

Georgiacetus
Credit: Mary Parrish
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An abundance of oil-eating microbes in today’s environment suggest hydrocarbons were an important energy source in Earth’s early history.
Animation of a Martian dust-devil in action.
Cool Flash Spider to play with. (HT Oranchak)

Flash Spider
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Cornell scientists have created a palm-sized synthesis of how trees drink.
Add PlanetQuest to your Twitter and get notified when new planets are discovered (HT Oranchak).
Via the SCQ, Things to Avoid when Speaking Publicly:
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